update rad read from rad5R1
hopefully the new radiance code will be more robust
This commit is contained in:
John Cupitt
parent
0077017ad8
commit
927f92a8bb
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@ -21,6 +21,8 @@
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* - use dbuf for buffer output
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* 4/4/17
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* - reduce stack use to help musl
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* 22/7/18
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* - update code from radiance ... pasted in from rad5R1
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*/
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/*
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@ -150,43 +152,24 @@
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#include "pforeign.h"
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/* Begin copy-paste from Radiance sources.
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*
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* To update:
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*
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* 1. Download and unpack latest stable radiance
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* 2. ray/src/common has the files we need ... copy in this order:
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* colour.h
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* resolu.h
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* rtio.h
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* fputword.c
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* colour.c
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* resolu.c
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* header.c
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* 3. trim each one down, removing extern decls
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* 4. make all functions static
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* 5. reorder to remove forward refs
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* 6. remove unused funcs, mostly related to HDR write
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*/
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/* flags for scanline ordering */
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#define XDECR 1
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#define YDECR 2
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#define YMAJOR 4
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/* standard scanline ordering */
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#define PIXSTANDARD (YMAJOR|YDECR)
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#define PIXSTDFMT "-Y %d +X %d\n"
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/* structure for image dimensions */
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typedef struct {
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int rt; /* orientation (from flags above) */
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int xr, yr; /* x and y resolution */
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} RESOLU;
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/* macros to get scanline length and number */
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#define scanlen(rs) ((rs)->rt & YMAJOR ? (rs)->xr : (rs)->yr)
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#define numscans(rs) ((rs)->rt & YMAJOR ? (rs)->yr : (rs)->xr)
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/* resolution string buffer and its size */
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#define RESOLU_BUFLEN 32
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/* macros for reading/writing resolution struct */
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#define fputsresolu(rs,fp) fputs(resolu2str(resolu_buf,rs),fp)
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#define fgetsresolu(rs,fp) str2resolu(rs, \
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fgets(resolu_buf,RESOLU_BUFLEN,fp))
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/* reading/writing of standard ordering */
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#define fprtresolu(sl,ns,fp) fprintf(fp,PIXSTDFMT,ns,sl)
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#define fscnresolu(sl,ns,fp) (fscanf(fp,PIXSTDFMT,ns,sl)==2)
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/* defined in resolu.c */
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typedef int gethfunc(char *s, void *p); /* callback to process header lines */
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#define RED 0
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#define GRN 1
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#define BLU 2
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@ -197,10 +180,10 @@ typedef int gethfunc(char *s, void *p); /* callback to process header lines */
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#define COLXS 128 /* excess used for exponent */
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#define WHT 3 /* used for RGBPRIMS type */
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#undef BYTE
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#define BYTE unsigned char /* 8-bit unsigned integer */
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#undef uby8
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#define uby8 unsigned char /* 8-bit unsigned integer */
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typedef BYTE COLR[4]; /* red, green, blue (or X,Y,Z), exponent */
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typedef uby8 COLR[4]; /* red, green, blue (or X,Y,Z), exponent */
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typedef float COLORV;
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typedef COLORV COLOR[3]; /* red, green, blue (or X,Y,Z) */
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@ -232,8 +215,8 @@ typedef float COLORMAT[3][3]; /* color coordinate conversion matrix */
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#define CIE_y_g 0.710
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#define CIE_x_b 0.140
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#define CIE_y_b 0.080
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#define CIE_x_w 0.3333 /* use true white */
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#define CIE_y_w 0.3333
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#define CIE_x_w (1./3.) /* use true white */
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#define CIE_y_w (1./3.)
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#else
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#define CIE_x_r 0.640 /* nominal CRT primaries */
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#define CIE_y_r 0.330
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@ -241,8 +224,8 @@ typedef float COLORMAT[3][3]; /* color coordinate conversion matrix */
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#define CIE_y_g 0.600
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#define CIE_x_b 0.150
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#define CIE_y_b 0.060
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#define CIE_x_w 0.3333 /* use true white */
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#define CIE_y_w 0.3333
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#define CIE_x_w (1./3.) /* use true white */
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#define CIE_y_w (1./3.)
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#endif
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#define STDPRIMS {{CIE_x_r,CIE_y_r},{CIE_x_g,CIE_y_g}, \
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@ -327,12 +310,12 @@ typedef float COLORMAT[3][3]; /* color coordinate conversion matrix */
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#define PRIMARYSTR "PRIMARIES="
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#define LPRIMARYSTR 10
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#define isprims(hl) (!strncmp(hl,PRIMARYSTR,LPRIMARYSTR))
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#define primsval(p,hl) sscanf(hl+LPRIMARYSTR, \
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#define primsval(p,hl) (sscanf((hl)+LPRIMARYSTR, \
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"%f %f %f %f %f %f %f %f", \
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&(p)[RED][CIEX],&(p)[RED][CIEY], \
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&(p)[GRN][CIEX],&(p)[GRN][CIEY], \
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&(p)[BLU][CIEX],&(p)[BLU][CIEY], \
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&(p)[WHT][CIEX],&(p)[WHT][CIEY])
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&(p)[WHT][CIEX],&(p)[WHT][CIEY]) == 8)
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#define fputprims(p,fp) fprintf(fp, \
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"%s %.4f %.4f %.4f %.4f %.4f %.4f %.4f %.4f\n",\
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PRIMARYSTR, \
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@ -345,11 +328,22 @@ typedef float COLORMAT[3][3]; /* color coordinate conversion matrix */
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#define COLCORSTR "COLORCORR="
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#define LCOLCORSTR 10
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#define iscolcor(hl) (!strncmp(hl,COLCORSTR,LCOLCORSTR))
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#define colcorval(cc,hl) sscanf(hl+LCOLCORSTR,"%f %f %f", \
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#define colcorval(cc,hl) sscanf((hl)+LCOLCORSTR,"%f %f %f", \
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&(cc)[RED],&(cc)[GRN],&(cc)[BLU])
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#define fputcolcor(cc,fp) fprintf(fp,"%s %f %f %f\n",COLCORSTR, \
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(cc)[RED],(cc)[GRN],(cc)[BLU])
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/*
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* Conversions to and from XYZ space generally don't apply WHTEFFICACY.
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* If you need Y to be luminance (cd/m^2), this must be applied when
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* converting from radiance (watts/sr/m^2).
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*/
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extern RGBPRIMS stdprims; /* standard primary chromaticities */
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extern COLORMAT rgb2xyzmat; /* RGB to XYZ conversion matrix */
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extern COLORMAT xyz2rgbmat; /* XYZ to RGB conversion matrix */
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extern COLOR cblack, cwhite; /* black (0,0,0) and white (1,1,1) */
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#define CGAMUT_LOWER 01
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#define CGAMUT_UPPER 02
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#define CGAMUT (CGAMUT_LOWER|CGAMUT_UPPER)
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@ -358,28 +352,134 @@ typedef float COLORMAT[3][3]; /* color coordinate conversion matrix */
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#define cpcolormat(md,ms) memcpy((void *)md,(void *)ms,sizeof(COLORMAT))
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#ifdef getc_unlocked /* avoid horrendous overhead of flockfile */
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#undef getc
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#undef putc
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#define getc getc_unlocked
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#define putc putc_unlocked
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#endif
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#define MINELEN 8 /* minimum scanline length for encoding */
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#define MAXELEN 0x7fff /* maximum scanline length for encoding */
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#define MINRUN 4 /* minimum run length */
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/* flags for scanline ordering */
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#define XDECR 1
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#define YDECR 2
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#define YMAJOR 4
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/* standard scanline ordering */
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#define PIXSTANDARD (YMAJOR|YDECR)
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#define PIXSTDFMT "-Y %d +X %d\n"
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/* structure for image dimensions */
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typedef struct {
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int rt; /* orientation (from flags above) */
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int xr, yr; /* x and y resolution */
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} RESOLU;
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/* macros to get scanline length and number */
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#define scanlen(rs) ((rs)->rt & YMAJOR ? (rs)->xr : (rs)->yr)
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#define numscans(rs) ((rs)->rt & YMAJOR ? (rs)->yr : (rs)->xr)
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/* resolution string buffer and its size */
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#define RESOLU_BUFLEN 32
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/* macros for reading/writing resolution struct */
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#define fputsresolu(rs,fp) fputs(resolu2str(resolu_buf,rs),fp)
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#define fgetsresolu(rs,fp) str2resolu(rs, \
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fgets(resolu_buf,RESOLU_BUFLEN,fp))
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/* reading/writing of standard ordering */
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#define fprtresolu(sl,ns,fp) fprintf(fp,PIXSTDFMT,ns,sl)
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#define fscnresolu(sl,ns,fp) (fscanf(fp,PIXSTDFMT,ns,sl)==2)
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/* identify header lines */
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#define isheadid(s) headidval(NULL,s)
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#define isformat(s) formatval(NULL,s)
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#define isdate(s) dateval(NULL,s)
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#define isgmt(s) gmtval(NULL,s)
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#define LATLONSTR "LATLONG="
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#define LLATLONSTR 8
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#define islatlon(hl) (!strncmp(hl,LATLONSTR,LLATLONSTR))
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#define latlonval(ll,hl) sscanf((hl)+LLATLONSTR, "%f %f", \
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&(ll)[0],&(ll)[1])
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#define fputlatlon(lat,lon,fp) fprintf(fp,"%s %.6f %.6f\n",LATLONSTR,lat,lon)
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typedef int gethfunc(char *s, void *p); /* callback to process header lines */
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#ifdef getc_unlocked /* avoid horrendous overhead of flockfile */
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#undef getc
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#undef putc
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#define getc getc_unlocked
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#define putc putc_unlocked
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#endif
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static char resolu_buf[RESOLU_BUFLEN]; /* resolution line buffer */
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#define MAXLINE 512
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static char *
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resolu2str(buf, rp) /* convert resolution struct to line */
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char *buf;
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register RESOLU *rp;
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{
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if (rp->rt&YMAJOR)
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sprintf(buf, "%cY %d %cX %d\n",
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rp->rt&YDECR ? '-' : '+', rp->yr,
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rp->rt&XDECR ? '-' : '+', rp->xr);
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else
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sprintf(buf, "%cX %d %cY %d\n",
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rp->rt&XDECR ? '-' : '+', rp->xr,
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rp->rt&YDECR ? '-' : '+', rp->yr);
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return(buf);
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}
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char HDRSTR[] = "#?"; /* information header magic number */
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char FMTSTR[] = "FORMAT="; /* format identifier */
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static int
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str2resolu(rp, buf) /* convert resolution line to struct */
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register RESOLU *rp;
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char *buf;
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{
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register char *xndx, *yndx;
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register char *cp;
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if (buf == NULL)
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return(0);
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xndx = yndx = NULL;
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for (cp = buf; *cp; cp++)
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if (*cp == 'X')
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xndx = cp;
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else if (*cp == 'Y')
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yndx = cp;
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if (xndx == NULL || yndx == NULL)
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return(0);
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rp->rt = 0;
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if (xndx > yndx) rp->rt |= YMAJOR;
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if (xndx[-1] == '-') rp->rt |= XDECR;
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if (yndx[-1] == '-') rp->rt |= YDECR;
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if ((rp->xr = atoi(xndx+1)) <= 0)
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return(0);
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if ((rp->yr = atoi(yndx+1)) <= 0)
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return(0);
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return(1);
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}
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#define MAXLINE 2048
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static const char FMTSTR[] = "FORMAT="; /* format identifier */
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char TMSTR[] = "CAPDATE="; /* capture date identifier */
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static gethfunc mycheck;
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static int
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formatval( /* get format value (return true if format) */
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register char *r,
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register char *s
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char *r,
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const char *s
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)
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{
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register char *cp = FMTSTR;
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const char *cp = FMTSTR;
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while (*cp) if (*cp++ != *s++) return(0);
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while (isspace(*s)) s++;
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@ -387,22 +487,24 @@ formatval( /* get format value (return true if format) */
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if (r == NULL) return(1);
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do
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*r++ = *s++;
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while(*s && !isspace(*s));
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while (*s && !isspace(*s));
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*r = '\0';
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return(1);
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}
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static int
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isformat( /* is line a format line? */
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char *s
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static void
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fputformat( /* put out a format value */
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const char *s,
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FILE *fp
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)
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{
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return(formatval(NULL, s));
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fputs(FMTSTR, fp);
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fputs(s, fp);
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putc('\n', fp);
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}
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static int
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getheader( /* get header from file */
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FILE *fp,
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@ -410,30 +512,24 @@ getheader( /* get header from file */
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void *p
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)
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{
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int rtotal = 0;
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char buf[MAXLINE];
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int n;
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/* give up if there are more than 1,000 lines of header, prevents
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* us scanning entire files when testing for israd */
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for (n = 0; n < 1000; n++) {
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for ( ; ; ) {
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int rval = 0;
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buf[MAXLINE-2] = '\n';
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if (fgets(buf, MAXLINE, fp) == NULL)
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return(-1);
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if (buf[0] == '\n')
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return(0);
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#ifdef MSDOS
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if (buf[0] == '\r' && buf[1] == '\n')
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return(0);
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#endif
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if (buf[buf[0]=='\r'] == '\n')
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return(rtotal);
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if (buf[MAXLINE-2] != '\n') {
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ungetc(buf[MAXLINE-2], fp); /* prevent false end */
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buf[MAXLINE-2] = '\0';
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}
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if (f != NULL && (*f)(buf, p) < 0)
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if (f != NULL && (rval = (*f)(buf, p)) < 0)
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return(-1);
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rtotal += rval;
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}
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return(0);
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}
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@ -459,8 +555,8 @@ mycheck( /* check a header line for format info. */
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static int
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globmatch( /* check for match of s against pattern p */
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register char *p,
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register char *s
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const char *p,
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const char *s
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)
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{
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int setmatch;
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@ -474,7 +570,7 @@ globmatch( /* check for match of s against pattern p */
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case '*': /* match any string */
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while (p[1] == '*') p++;
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do
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if ( (p[1]=='?' || p[1]==*s) &&
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if ( (p[1]=='?') | (p[1]==*s) &&
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globmatch(p+1,s) )
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return(1);
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while (*s++);
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@ -487,11 +583,11 @@ globmatch( /* check for match of s against pattern p */
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if (!*p)
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return(0);
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if (*p == '-') {
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setmatch += p[-1] <= *s && *s <= p[1];
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setmatch += (p[-1] <= *s && *s <= p[1]);
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if (!*++p)
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break;
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} else
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setmatch += *p == *s;
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setmatch += (*p == *s);
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}
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if (!setmatch)
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return(0);
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@ -533,7 +629,7 @@ checkheader(
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)
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{
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struct check cdat;
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register char *cp;
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char *cp;
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cdat.fp = fout;
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cdat.fs[0] = '\0';
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@ -552,74 +648,6 @@ checkheader(
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return(strcmp(fmt, cdat.fs) ? -1 : 1); /* literal match */
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}
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static char resolu_buf[RESOLU_BUFLEN]; /* resolution line buffer */
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static int
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str2resolu(RESOLU *rp, char *buf) /* convert resolution line to struct */
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{
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register char *xndx, *yndx;
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register char *cp;
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if (buf == NULL)
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return(0);
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xndx = yndx = NULL;
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for (cp = buf; *cp; cp++)
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if (*cp == 'X')
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xndx = cp;
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else if (*cp == 'Y')
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yndx = cp;
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if (xndx == NULL || yndx == NULL)
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return(0);
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rp->rt = 0;
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if (xndx > yndx) rp->rt |= YMAJOR;
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if (xndx[-1] == '-') rp->rt |= XDECR;
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if (yndx[-1] == '-') rp->rt |= YDECR;
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if ((rp->xr = atoi(xndx+1)) <= 0)
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return(0);
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if ((rp->yr = atoi(yndx+1)) <= 0)
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return(0);
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return(1);
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}
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|
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#ifdef getc_unlocked /* avoid horrendous overhead of flockfile */
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#undef getc
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#undef putc
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#define getc getc_unlocked
|
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#define putc putc_unlocked
|
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#endif
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|
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#define MINELEN 8 /* minimum scanline length for encoding */
|
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#define MAXELEN 0x7fff /* maximum scanline length for encoding */
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#define MINRUN 4 /* minimum run length */
|
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|
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static void
|
||||
fputformat( /* put out a format value */
|
||||
char *s,
|
||||
FILE *fp
|
||||
)
|
||||
{
|
||||
fputs(FMTSTR, fp);
|
||||
fputs(s, fp);
|
||||
putc('\n', fp);
|
||||
}
|
||||
|
||||
char *
|
||||
resolu2str(char *buf, RESOLU *rp) /* convert resolution struct to line */
|
||||
{
|
||||
if (rp->rt&YMAJOR)
|
||||
sprintf(buf, "%cY %d %cX %d\n",
|
||||
rp->rt&YDECR ? '-' : '+', rp->yr,
|
||||
rp->rt&XDECR ? '-' : '+', rp->xr);
|
||||
else
|
||||
sprintf(buf, "%cX %d %cY %d\n",
|
||||
rp->rt&XDECR ? '-' : '+', rp->xr,
|
||||
rp->rt&YDECR ? '-' : '+', rp->yr);
|
||||
return(buf);
|
||||
}
|
||||
|
||||
/* End copy-paste from Radiance sources.
|
||||
*/
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue